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Ignore:
Timestamp:
01/16/2015 05:09:11 PM (11 years ago)
Author:
boonebgorges
Message:

Bail out of hierarchy loops in _get_term_children().

This prevents infinite loops that lead to PHP nesting limit fatal errors.

Props boonebgorges, sgrant.
Fixes #24461.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/tests/phpunit/tests/term/getTerms.php

    r31206 r31207  
    393393
    394394        add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 );
     395    }
     396
     397    /**
     398     * @covers ::_get_term_children
     399     * @ticket 24461
     400     */
     401    public function test__get_term_children_handles_cycles() {
     402        remove_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10 );
     403
     404        $c1 = $this->factory->category->create();
     405        $c2 = $this->factory->category->create( array( 'parent' => $c1 ) );
     406        $c3 = $this->factory->category->create( array( 'parent' => $c2 ) );
     407        wp_update_term( $c1, 'category', array( 'parent' => $c3 ) );
     408
     409        add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 );
     410
     411        $result = _get_term_children( $c1, array( $c1, $c2, $c3 ), 'category' );
     412
     413        $this->assertEqualSets( array( $c2, $c3 ), $result );
     414    }
     415
     416    /**
     417     * @covers ::_get_term_children
     418     * @ticket 24461
     419     */
     420    public function test__get_term_children_handles_cycles_when_terms_argument_contains_objects() {
     421        remove_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10 );
     422
     423        $c1 = $this->factory->category->create_and_get();
     424        $c2 = $this->factory->category->create_and_get( array( 'parent' => $c1->term_id ) );
     425        $c3 = $this->factory->category->create_and_get( array( 'parent' => $c2->term_id ) );
     426        wp_update_term( $c1->term_id, 'category', array( 'parent' => $c3->term_id ) );
     427
     428        add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 );
     429
     430        $result = _get_term_children( $c1->term_id, array( $c1, $c2, $c3 ), 'category' );
     431
     432        $this->assertEqualSets( array( $c2, $c3 ), $result );
    395433    }
    396434
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